EP1113633A3 - Dispositif et procédé d'estimation de canal dans un système de communication par radio - Google Patents

Dispositif et procédé d'estimation de canal dans un système de communication par radio Download PDF

Info

Publication number
EP1113633A3
EP1113633A3 EP00128658A EP00128658A EP1113633A3 EP 1113633 A3 EP1113633 A3 EP 1113633A3 EP 00128658 A EP00128658 A EP 00128658A EP 00128658 A EP00128658 A EP 00128658A EP 1113633 A3 EP1113633 A3 EP 1113633A3
Authority
EP
European Patent Office
Prior art keywords
invertor
interpolator
communication system
radio communication
channel estimation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00128658A
Other languages
German (de)
English (en)
Other versions
EP1113633A2 (fr
EP1113633B1 (fr
Inventor
Kyu-Hak Kim
Je-Woo Kim
Hyung-Suk Kim
Ki-Soo Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP1113633A2 publication Critical patent/EP1113633A2/fr
Publication of EP1113633A3 publication Critical patent/EP1113633A3/fr
Application granted granted Critical
Publication of EP1113633B1 publication Critical patent/EP1113633B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/76—Pilot transmitters or receivers for control of transmission or for equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • H04L25/0214—Channel estimation of impulse response of a single coefficient
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
EP00128658A 1999-12-29 2000-12-28 Dispositif et procédé d'estimation de canal dans un système de communication par radio Expired - Lifetime EP1113633B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR6527399 1999-12-29
KR1019990065273A KR100318952B1 (ko) 1999-12-29 1999-12-29 무선통신시스템에서 채널 추정을 위한 장치 및 방법

Publications (3)

Publication Number Publication Date
EP1113633A2 EP1113633A2 (fr) 2001-07-04
EP1113633A3 true EP1113633A3 (fr) 2004-01-02
EP1113633B1 EP1113633B1 (fr) 2006-11-29

Family

ID=19632477

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00128658A Expired - Lifetime EP1113633B1 (fr) 1999-12-29 2000-12-28 Dispositif et procédé d'estimation de canal dans un système de communication par radio

Country Status (6)

Country Link
US (1) US6751274B2 (fr)
EP (1) EP1113633B1 (fr)
JP (1) JP3652247B2 (fr)
KR (1) KR100318952B1 (fr)
CN (1) CN1166080C (fr)
DE (1) DE60032109T2 (fr)

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US6438638B1 (en) * 2000-07-06 2002-08-20 Onspec Electronic, Inc. Flashtoaster for reading several types of flash-memory cards with or without a PC
US20030012308A1 (en) * 2001-06-13 2003-01-16 Sampath Hemanth T. Adaptive channel estimation for wireless systems
JP3565344B2 (ja) * 2002-02-21 2004-09-15 株式会社エヌ・ティ・ティ・ドコモ 干渉除去システム、及び、干渉除去方法
EP1513309B1 (fr) * 2003-09-05 2007-01-03 Agence Spatiale Europeenne Procédé de synchronisation de phase de porteuse assistée par pilote
JP4358686B2 (ja) 2004-06-17 2009-11-04 富士通株式会社 フェージング周波数推定装置およびその推定方法
CN100394826C (zh) * 2004-09-02 2008-06-11 上海贝尔阿尔卡特股份有限公司 信道质量内插方法
WO2006106474A2 (fr) * 2005-04-08 2006-10-12 Koninklijke Philips Electronics N.V. Procede et appareil d'estimation de canal dans un systeme de communication mobile
US8104034B2 (en) * 2005-11-30 2012-01-24 Red Hat, Inc. Purpose domain for in-kernel virtual machine for low overhead startup and low resource usage
US8612970B2 (en) * 2005-11-30 2013-12-17 Red Hat, Inc. Purpose domain for low overhead virtual machines
CN101039288B (zh) * 2006-03-16 2010-05-12 中国科学院上海微系统与信息技术研究所 Ofdm系统中能对抗定时偏差的信道估计方法和装置
US8085873B2 (en) * 2007-01-02 2011-12-27 Qualcomm, Incorporated Systems and methods for enhanced channel estimation in wireless communication systems
US7778360B2 (en) * 2007-01-09 2010-08-17 Fujitsu Limited Demodulating a signal encoded according to ASK modulation and PSK modulation
JP2009088984A (ja) * 2007-09-28 2009-04-23 Kyocera Corp 受信装置、無線通信端末、無線基地局及び受信方法
WO2016026431A1 (fr) 2014-08-18 2016-02-25 Media Tek Inc. Format d'antenne de radiogoniométrie
EP3139532B1 (fr) 2015-09-07 2018-12-12 MediaTek Inc. Formats et allocation du champ commun de he-sig-b
EP3148276B1 (fr) 2015-09-28 2018-09-05 MediaTek Inc. Signalisation d'attribution de ressources structurée
US10187124B2 (en) 2015-10-01 2019-01-22 Mediatek Inc Beam-change indication for channel estimation enhancement
US10211948B2 (en) 2015-10-12 2019-02-19 Mediatek Inc. LDPC tone mapping schemes for dual-sub-carrier modulation in WLAN
US10686641B2 (en) * 2015-11-05 2020-06-16 Mediatek Inc. Signaling and feedback schemes of time-vary channels in high-efficiency WLAN
US11019559B2 (en) 2015-12-09 2021-05-25 Mediatek Inc. VHT operation information subfield design in WLAN
US10200228B2 (en) 2015-12-17 2019-02-05 Mediatek Inc. Interleaver design for dual sub-carrier modulation in WLAN
US10225122B2 (en) 2016-02-04 2019-03-05 Mediatek Inc. Low PAPR dual sub-carrier modulation scheme for BPSK in WLAN
WO2021245753A1 (fr) * 2020-06-01 2021-12-09 三菱電機株式会社 Dispositif de compression de données, dispositif de récupération de données, système de compression de données, circuit de commande, support de stockage, procédé de compression de données et procédé de récupération de données

Citations (3)

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Publication number Priority date Publication date Assignee Title
US5274629A (en) * 1990-02-06 1993-12-28 Etat Francais and Telediffusion de France SA Method for the broadcasting of digital data, notably for radio broadcasting at high bit rate towards mobile receivers, with time-frequency interlacing and coherent demodulation
EP0715440A1 (fr) * 1994-06-22 1996-06-05 Ntt Mobile Communications Network Inc. Detecteur synchrone et procede de synchronisation pour un recepteur numerique de telecommunications
WO1999060721A1 (fr) * 1998-05-15 1999-11-25 Ericsson Inc. Procede pour ameliorer la reception de signaux dans une unite de telecommunication mobile a l'aide de symboles pilotes

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US5414734A (en) * 1993-01-06 1995-05-09 Glenayre Electronics, Inc. Compensation for multi-path interference using pilot symbols
JP3342177B2 (ja) 1994-05-13 2002-11-05 富士通テン株式会社 多値ｑａｍのフェージング補償方法
JP3462937B2 (ja) 1994-09-27 2003-11-05 富士通株式会社 自動振幅等化器
US5809083A (en) * 1994-11-23 1998-09-15 At&T Wireless Services, Inc. Differentially encoded pilot word system and method for wireless transmissions of digital data
JP3013763B2 (ja) * 1995-08-25 2000-02-28 日本電気株式会社 キャリア同期ユニット
US5748677A (en) * 1996-01-16 1998-05-05 Kumar; Derek D. Reference signal communication method and system
US5901185A (en) * 1996-04-15 1999-05-04 Ericsson Inc. Systems and methods for data-augmented, pilot-symbol-assisted radiotelephone communications
US5912931A (en) * 1996-08-01 1999-06-15 Nextel Communications Method for multicarrier signal detection and parameter estimation in mobile radio communication channels
KR100218671B1 (ko) * 1996-09-16 1999-09-01 정선종 주파수 선택적 레일레이 페이딩 보상 시스템
JP3663562B2 (ja) 1996-12-20 2005-06-22 富士通株式会社 干渉キャンセラ及びチャネル推定方法
US6085103A (en) 1997-02-19 2000-07-04 Ericsson, Inc. Compensating for fading in analog AM radio signals
JP3441636B2 (ja) * 1997-11-21 2003-09-02 株式会社エヌ・ティ・ティ・ドコモ チャネル推定値を求める装置および方法、受信装置ならびに伝送システム
JP3289676B2 (ja) * 1998-05-28 2002-06-10 日本電気株式会社 パイロット信号を含む受信信号の復調方法及びその装置
KR100272011B1 (ko) * 1998-09-03 2000-11-15 윤종용 직접 시퀀스 코드분할 다중액세스 시스템 수신기의채널 보상 장치
US6510190B1 (en) * 1998-12-17 2003-01-21 Nortel Networks Limited Method and apparatus for estimating fading distortion of a signal propagating in a communication channel
KR100277039B1 (ko) * 1998-12-31 2001-01-15 윤종용 코드분할다원접속 통신시스템 채널수신기의채널상태 추정장치및 방법
US6519296B1 (en) * 1999-06-03 2003-02-11 General Electric Company Variable-interval pilot symbol aided modulation and demodulation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274629A (en) * 1990-02-06 1993-12-28 Etat Francais and Telediffusion de France SA Method for the broadcasting of digital data, notably for radio broadcasting at high bit rate towards mobile receivers, with time-frequency interlacing and coherent demodulation
EP0715440A1 (fr) * 1994-06-22 1996-06-05 Ntt Mobile Communications Network Inc. Detecteur synchrone et procede de synchronisation pour un recepteur numerique de telecommunications
WO1999060721A1 (fr) * 1998-05-15 1999-11-25 Ericsson Inc. Procede pour ameliorer la reception de signaux dans une unite de telecommunication mobile a l'aide de symboles pilotes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DONG XIAOJIAN ET AL: "A novel method of channel estimation for W-CDMA", ASIA-PACIFIC CONFERENCE ON COMMUNICATIONS AND OPTOELECTRONICS ANDCOMMUNICATIONS CONFERENCE. APCC/OECC. PROCEEDINGS. CONFERENCE VITALITY TO THE NEW CENTURY, XX, XX, vol. 1, 18 October 1999 (1999-10-18), pages 582 - 585, XP002171416 *

Also Published As

Publication number Publication date
JP2001217882A (ja) 2001-08-10
EP1113633A2 (fr) 2001-07-04
DE60032109T2 (de) 2007-03-08
CN1166080C (zh) 2004-09-08
KR100318952B1 (ko) 2002-01-04
US6751274B2 (en) 2004-06-15
JP3652247B2 (ja) 2005-05-25
US20010006540A1 (en) 2001-07-05
KR20010065396A (ko) 2001-07-11
EP1113633B1 (fr) 2006-11-29
DE60032109D1 (de) 2007-01-11
CN1308417A (zh) 2001-08-15

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